{"id":935,"date":"2026-04-11T01:57:14","date_gmt":"2026-04-11T05:57:14","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=935"},"modified":"2026-04-11T01:59:21","modified_gmt":"2026-04-11T05:59:21","slug":"quality-control-in-flange-manufacturing-essential-testing-procedures","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/vi\/2026\/04\/11\/quality-control-in-flange-manufacturing-essential-testing-procedures\/","title":{"rendered":"Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng trong s\u1ea3n xu\u1ea5t m\u1eb7t b\u00edch: C\u00e1c quy tr\u00ecnh ki\u1ec3m tra thi\u1ebft y\u1ebfu"},"content":{"rendered":"<h2>Gi\u1edbi thi\u1ec7u<\/h2>\n<p>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t trong s\u1ea3n xu\u1ea5t m\u1eb7t b\u00edch. C\u00e1c m\u1eb7t b\u00edch b\u1ecb l\u1ed7i c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 nghi\u00eam tr\u1ecdng trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng, d\u1eabn \u0111\u1ebfn c\u00e1c nguy c\u01a1 v\u1ec1 an to\u00e0n, t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 t\u1ed5n th\u1ea5t t\u00e0i ch\u00ednh \u0111\u00e1ng k\u1ec3. B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y c\u00e1c quy tr\u00ecnh ki\u1ec3m tra thi\u1ebft y\u1ebfu nh\u1eb1m \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng m\u1eb7t b\u00edch.<\/p>\n<h2>Ki\u1ec3m tra v\u1eadt li\u1ec7u<\/h2>\n<h3>Ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc<\/h3>\n<p>Th\u1eed nghi\u1ec7m quang ph\u1ed5 gi\u00fap x\u00e1c nh\u1eadn r\u1eb1ng nguy\u00ean li\u1ec7u th\u00f4 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 c\u1ea5p \u0111\u1ed9 quy \u0111\u1ecbnh (304, 316, 317L, v.v.). C\u00e1c nguy\u00ean t\u1ed1 ch\u00ednh \u0111\u01b0\u1ee3c ki\u1ec3m tra bao g\u1ed3m:<\/p>\n<ul>\n<li>Crom (Cr): 16\u201320% \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 austenit<\/li>\n<li>Niken (Ni): 8\u201314% \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n<\/li>\n<li>Molypden (Mo): 2-3% cho lo\u1ea1i th\u00e9p 316<\/li>\n<li>Cacbon (C): \u22640,081 theo ti\u00eau chu\u1ea9n TP3T, \u22640,031 theo ti\u00eau chu\u1ea9n TP3T \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p L<\/li>\n<\/ul>\n<h3>Th\u1eed nghi\u1ec7m c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/h3>\n<p>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o x\u00e1c \u0111\u1ecbnh:<\/p>\n<ul>\n<li>Gi\u1edbi h\u1ea1n ch\u1ea3y (t\u1ed1i thi\u1ec3u 205 MPa \u0111\u1ed1i v\u1edbi lo\u1ea1i 304)<\/li>\n<li>\u0110\u1ed9 b\u1ec1n k\u00e9o (t\u1ed1i thi\u1ec3u 515 MPa \u0111\u1ed1i v\u1edbi lo\u1ea1i 304)<\/li>\n<li>\u0110\u1ed9 gi\u00e3n d\u00e0i (t\u1ed1i thi\u1ec3u 40%)<\/li>\n<li>\u0110\u1ed9 c\u1ee9ng (t\u1ed1i \u0111a 217 HB)<\/li>\n<\/ul>\n<h2>Ki\u1ec3m tra k\u00edch th\u01b0\u1edbc<\/h2>\n<h3>C\u00e1c ch\u1ec9 s\u1ed1 quan tr\u1ecdng<\/h3>\n<p>M\u1ed7i m\u1eb7t b\u00edch \u0111\u1ec1u \u0111\u01b0\u1ee3c ki\u1ec3m tra k\u00edch th\u01b0\u1edbc m\u1ed9t c\u00e1ch to\u00e0n di\u1ec7n:<\/p>\n<ul>\n<li>Dung sai \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD): \u00b11,5 mm<\/li>\n<li>\u0110\u01b0\u1eddng k\u00ednh v\u00f2ng tr\u00f2n l\u1ed7 bul\u00f4ng: \u00b10,8 mm<\/li>\n<li>\u0110\u1ed9 d\u00e0y m\u1eb7t b\u00edch: \u00b11,5 mm<\/li>\n<li>\u0110\u01b0\u1eddng k\u00ednh l\u1ed7: \u00b10,8 mm<\/li>\n<li>\u0110\u01b0\u1eddng k\u00ednh v\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c l\u1ed7 b\u1eaft v\u00edt<\/li>\n<li>\u0110\u1ed9 ph\u1eb3ng b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t (Ra 3,2\u20136,3 \u03bcm \u0111\u1ed1i v\u1edbi RF)<\/li>\n<\/ul>\n<h2>Ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT)<\/h2>\n<h3>Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra b\u1eb1ng ch\u1ea5t th\u1ea5m l\u1ecfng (PT)<\/h3>\n<p>Ph\u00e1t hi\u1ec7n c\u00e1c khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t, bao g\u1ed3m:<\/p>\n<ul>\n<li>V\u1ebft n\u1ee9t v\u00e0 \u0111\u01b0\u1eddng n\u1ed1i<\/li>\n<li>\u0110\u1ed9 x\u1ed1p v\u00e0 t\u1ea1p ch\u1ea5t<\/li>\n<li>V\u00f2ng ch\u1ea1y v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3ng b\u0103ng<\/li>\n<\/ul>\n<p>T\u1ea5t c\u1ea3 c\u00e1c b\u1ec1 m\u1eb7t gia c\u00f4ng v\u00e0 khu v\u1ef1c h\u00e0n \u0111\u1ec1u \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p th\u1ea9m th\u1ea5u (PT) theo Ti\u00eau chu\u1ea9n ASME Ph\u1ea7n V.<\/p>\n<h3>Ki\u1ec3m tra b\u1eb1ng h\u1ea1t t\u1eeb (MT)<\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u ferit v\u00e0 martensit, ph\u01b0\u01a1ng ph\u00e1p MT gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c khuy\u1ebft t\u1eadt g\u1ea7n b\u1ec1 m\u1eb7t m\u00e0 m\u1eaft th\u01b0\u1eddng kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y.<\/p>\n<h3>Ki\u1ec3m tra b\u1eb1ng s\u00f3ng si\u00eau \u00e2m (UT)<\/h3>\n<p>Ph\u00e1t hi\u1ec7n c\u00e1c khuy\u1ebft t\u1eadt b\u00ean trong c\u1ee7a m\u1eb7t b\u00edch r\u00e8n, \u0111i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u00e1p su\u1ea5t cao.<\/p>\n<h2>Th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t<\/h2>\n<h3>Th\u1eed nghi\u1ec7m th\u1ee7y t\u0129nh<\/h3>\n<p>C\u00e1c m\u1eb7t b\u00edch m\u1eabu t\u1eeb m\u1ed7i l\u00f4 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t \u1edf m\u1ee9c g\u1ea5p 1,5 l\u1ea7n \u00e1p su\u1ea5t \u0111\u1ecbnh m\u1ee9c \u0111\u1ec3 ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac.<\/p>\n<h2>T\u00e0i li\u1ec7u v\u00e0 kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/h2>\n<h3>Gi\u1ea5y ch\u1ee9ng nh\u1eadn th\u1eed nghi\u1ec7m v\u1eadt li\u1ec7u (MTC)<\/h3>\n<p>Gi\u1ea5y ch\u1ee9ng nh\u1eadn EN 10204 3.1 bao g\u1ed3m:<\/p>\n<ul>\n<li>S\u1ed1 l\u00f4 v\u00e0 m\u00e3 l\u00f4<\/li>\n<li>Ph\u00e2n t\u00edch h\u00f3a h\u1ecdc to\u00e0n di\u1ec7n<\/li>\n<li>K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m c\u01a1 h\u1ecdc<\/li>\n<li>B\u00e1o c\u00e1o ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y<\/li>\n<li>Bi\u00ean b\u1ea3n ki\u1ec3m tra k\u00edch th\u01b0\u1edbc<\/li>\n<li>D\u1ea5u ki\u1ec3m tra c\u1ee7a b\u00ean th\u1ee9 ba (n\u1ebfu c\u00f3)<\/li>\n<\/ul>\n<h2>Ch\u1ee9ng ch\u1ec9 ng\u00e0nh<\/h2>\n<p>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t uy t\u00edn kh\u1eb3ng \u0111\u1ecbnh:<\/p>\n<ul>\n<li>H\u1ec7 th\u1ed1ng Qu\u1ea3n l\u00fd Ch\u1ea5t l\u01b0\u1ee3ng ISO 9001:2015<\/li>\n<li>PED 2014\/68\/EU d\u00e0nh cho th\u1ecb tr\u01b0\u1eddng ch\u00e2u \u00c2u<\/li>\n<li>Ch\u1ee9ng nh\u1eadn ASME cho thi\u1ebft b\u1ecb ch\u1ecbu \u00e1p l\u1ef1c<\/li>\n<li>Tu\u00e2n th\u1ee7 d\u1ea5u CE<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t \u1edf m\u1ecdi giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t \u0111\u1ea3m b\u1ea3o c\u00e1c m\u1eb7t b\u00edch ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe. H\u00e3y lu\u00f4n y\u00eau c\u1ea7u cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 t\u00e0i li\u1ec7u v\u00e0 ki\u1ec3m tra c\u00e1c ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a nh\u00e0 cung c\u1ea5p tr\u01b0\u1edbc khi mua h\u00e0ng.<\/p>\n<p><strong>WhatsApp:<\/strong>\u00a0+86-18658777855<\/p>\n<p><strong>Email:<\/strong>\u00a01007788887@qq.com<\/p>\n<p>\u2713 Ki\u1ec3m tra MTR k\u00e8m theo b\u00e1o c\u00e1o ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT) \u2713 Ch\u00e0o \u0111\u00f3n c\u00e1c \u0111\u01a1n v\u1ecb ki\u1ec3m tra \u0111\u1ed9c l\u1eadp<a href=\"https:\/\/www.720yun.com\/vr\/a6ajt7ynrw0\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-884\" src=\"http:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp\" alt=\"\" width=\"1290\" height=\"2317\" title=\"\" srcset=\"https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp 1290w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-167x300.webp 167w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-570x1024.webp 570w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-768x1379.webp 768w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-855x1536.webp 855w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-1140x2048.webp 1140w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-7x12.webp 7w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-416x747.webp 416w\" sizes=\"auto, (max-width: 1290px) 100vw, 1290px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Comprehensive overview of quality control testing in flange manufacturing including material verification, NDT, and certification requirements.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-935","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/935","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/comments?post=935"}],"version-history":[{"count":2,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/935\/revisions"}],"predecessor-version":[{"id":943,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/935\/revisions\/943"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/media?parent=935"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/categories?post=935"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/tags?post=935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}